| “5.12”地震次生地质灾害分析——以青川、平武县为例 |
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| 引用本文： | 薛东剑,何政伟,张雪峰,张东辉.“5.12”地震次生地质灾害分析——以青川、平武县为例[J].自然灾害学报,2011(5). |
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| 作者姓名： | 薛东剑 何政伟 张雪峰 张东辉 |
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| 作者单位： | 地质灾害防治与地质环境保护国家重点实验室;成都理工大学地球科学学院; |
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| 基金项目： | 国家863重点项目(2007AA120306); 国家科技支撑“十一五”计划(2008BAK49B02) |
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| 摘 要： | 5.12汶川特大地震诱发了大量的次生地质灾害,造成了山体大面积滑坡、崩塌、泥石流及堰塞湖等,给人民生命财产造成了重大损失。在对平武、青川县地质、水文、气象条件等地面调查的基础上,以多源遥感数据为信息源,结合3S技术,解译了次生地质灾害及潜在地质灾害体,并进一步探讨了震后次生地质灾害的发生、分布规律。研究成果对灾后重建、高山峡谷地震多发区的防灾及灾害遥感机理研究具有借鉴意义。
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| 关 键 词： | 遥感图像 地质灾害 地震 |
Analysis of secondary geohazard after 5.12 earthquake:a case study of Qingchuan and Pingwu counties |
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| XUE Dong-jian,HE Zheng-wei,ZHANG Xue-feng,ZHANG Dong-hui.Analysis of secondary geohazard after 5.12 earthquake:a case study of Qingchuan and Pingwu counties[J].Journal of Natural Disasters,2011(5). |
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| Authors: | XUE Dong-jian HE Zheng-wei ZHANG Xue-feng ZHANG Dong-hui |
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| Institution: | XUE Dong-jian1,2,HE Zheng-wei1,ZHANG Xue-feng2,ZHANG Dong-hui2 (1.College of Information Engineering of Chengdu University of Technology,Chengdu 610059,China,2.College of Earth Sciences of Chengdu University,China) |
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| Abstract: | The 5.12 Wenchuan earthquake induces a large number of secondary geohazards,causing large-scale mountain landslide,collapse,debris flow,barrier lakes and other secondary disasters.The earthquake has caused people's life and property to loss heavily.Through the ground investigation of basic geological,hydrological and meteorological conditions,etc.,in Pingwu and Qingchuan regarded multi-source remote sensing data as the information sources and combined with 3S,the paper interprets the secondary geohazard and... |
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| Keywords: | remote sensing image geohazard earthquake |
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